Skip to content
Logo

Hackaday

  • Home
  • Blog
  • Hackaday.io
  • Contests
  • Submit
  • About

A Brief History Of The Crazy Old 7-Segment Display

How old is the seven-segment display? Surely it is a product of the 1970s. After all, calculators started showing up, and the height of junior high humor was plugging 7734 …read more

FLOSS Weekly Episode 874: Really, We Do PDFs

This week Jonathan chats with Andrea Gallo about RISC-V! What does it mean for RISC-V to be an Open ISA? Where is RISC-V popping up, and what’s the new frontier? …read more

Linux Fu: The Local Phonebook

I’ll admit it: I miss the simplicity of /etc/hosts. There was something elegant about it. You wanted laserprinter to mean 192.168.1.40, so you opened a text file and wrote: 192.168.1.40 …read more

When An Engineering Education Doesn’t Teach You How To Really Make Anything

In the sweltering temperatures of an unusually hot European heatwave, I found myself having a chat with  a friend of mine from my university days. After discussing the health of …read more

Is Now The Time For Volumetric 3D Printing?

Of all innovations adopted by the maker community within the past couple of decades, one stands among the rest on top for anything regarding manufacturing. It goes without saying here …read more

From The Blog

See all blog entries
  • When Changing Scale Isn’t Just More Of The Same

    2 Comments

    By Elliot Williams | July 11, 2026

    [Jenny] and I were talking about [Bitluni]’s experiment in scale, where he will take 65,536 cheap microcontrollers, network them all together, and give each one an RGB pixel. From there, …read more

  • Clay Extruder Enables Printable Pottery

    15 Comments

    By Aaron Beckendorf | July 11, 2026

    Ceramic 3D printers, despite using the same fundamental mechanism as standard FDM printers, are much harder to find. Part of this comes down to the material properties of fired ceramics …read more

  • A Look Inside A 1997 BBC Ceefax Generator

    10 Comments

    By Maya Posch | July 11, 2026

    Ceefax was the BBC’s broadcast teletext service that ran until 2012, providing text and rudimentary graphics that were broadcast invisibly with the TV signal. In order to get this teletext …read more

  • Fixing The Fix For A 3dfx Voodoo Card’s Overly Bright Picture

    2 Comments

    By Maya Posch | July 10, 2026

    After previously fixing an overly bright picture from a Voodoo graphics card with a simple resistor on one of the RAMDAC’s pins to correct its faulty internal Vref, [Bits und …read more

  • Reject Modernity, Return To 80s, Learn C.

    50 Comments

    By Tyler August | July 10, 2026

    We’re not exactly sure how old [SnailMail] is, but he’s probably a member of Generation Alpha considering that to our wizened eyes the lad looks only slightly older than a …read more

  • Documenting The IR Protocol Of The PumpSaver Plus Device

    1 Comment

    By Maya Posch | July 10, 2026

    Having a pump in a remote location where you aren’t constantly monitoring it is a common scenario, which can be unfortunate when said pump runs into problems like a dry …read more

  • How To Use Those Cute But Slightly Odd 7-Segment LCDs

    21 Comments

    By Donald Papp | July 10, 2026

    If you’re not aware, there is such a thing as adorable little three digit LCD 7-segment displays. They come in a ten-pin DIP package and are just begging to be …read more

← Older posts

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • A Brief History Of The Crazy Old 7-Segment Display

    13 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Is Now The Time For Volumetric 3D Printing?

    25 Comments
  • Ultra-Long Range Flights To Ease Australian Air Travel

    57 Comments
  • Know Your Food: Organic Production

    35 Comments
  • UDP Broadcasting And Easily Finding Network Services

    22 Comments
More from this category

Our Columns

  • When Changing Scale Isn’t Just More Of The Same

    2 Comments
  • Hackaday Podcast Episode Ep 377: Parallel Pixels, Wiggly Consoles, And Seven Segments

    1 Comment
  • This Week In Security: Escaping Linux VMs, Vulnerable Solar, Confusing AI (Again), And Confusing NPM Malware

    6 Comments
  • FLOSS Weekly Episode 874: Really, We Do PDFs

    No comments
  • Linux Fu: The Local Phonebook

    30 Comments
More from this category

Featured Projects

See all projects
PowerPD — ESP32 USB-C PD/PPS Bench Power Supply

PowerPD — ESP32 USB-C PD/PPS Bench Power Supply

by Raushan Kumar
LightInk

LightInk

by Daniel Ansorregui

Trending Projects

See all projects
Z80 + RP2350B ZX-compatible homebrew retrocomputer

Z80 + RP2350B ZX-compatible homebrew retrocomputer

by Vlad
XRX - eXperimental Research X

XRX - eXperimental Research X

by Marcellus Pereira
PTSG — Programmable Timing Sequence Generator

PTSG — Programmable Timing Sequence Generator

by Tsuneo.Ohnaka
Home_LAB

Home_LAB

by Rhea Rae
R909-Tester: A Modular RP2040 zero Instrument

R909-Tester: A Modular RP2040 zero Instrument

by nobcha
DIY ESP32 Telegram Flood Protection System

DIY ESP32 Telegram Flood Protection System

by mircemk

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • A Brief History Of The Crazy Old 7-Segment Display

    13 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Is Now The Time For Volumetric 3D Printing?

    25 Comments
  • Ultra-Long Range Flights To Ease Australian Air Travel

    57 Comments
  • Know Your Food: Organic Production

    35 Comments
  • UDP Broadcasting And Easily Finding Network Services

    22 Comments
More from this category

Categories

Our Columns

  • When Changing Scale Isn’t Just More Of The Same

    2 Comments
  • Hackaday Podcast Episode Ep 377: Parallel Pixels, Wiggly Consoles, And Seven Segments

    1 Comment
  • This Week In Security: Escaping Linux VMs, Vulnerable Solar, Confusing AI (Again), And Confusing NPM Malware

    6 Comments
  • FLOSS Weekly Episode 874: Really, We Do PDFs

    No comments
  • Linux Fu: The Local Phonebook

    30 Comments
More from this category

Recent comments

  • MartinU on Reject Modernity, Return To 80s, Learn C.
  • Hugo Oran on Clay Extruder Enables Printable Pottery
  • Sparkplug on Clay Extruder Enables Printable Pottery
  • Jim Nutt on Reject Modernity, Return To 80s, Learn C.
  • mr3 on Reject Modernity, Return To 80s, Learn C.
  • Matthias on This Week In Security: Escaping Linux VMs, Vulnerable Solar, Confusing AI (Again), And Confusing NPM Malware
  • iman on When Changing Scale Isn’t Just More Of The Same
  • Torsten Martinsen on Reject Modernity, Return To 80s, Learn C.
  • CRJEEA on Clay Extruder Enables Printable Pottery
  • deshipu on Gluing 8192 MCUs Together To Make A GPU

Now on Hackaday.io

  • Rhea Rae has added a new log for Home_LAB.
  • Vlad has added a new log for Z80 + RP2350B ZX-compatible homebrew retrocomputer.
  • Jacob wrote a reply on instructions for CubeRaman: 3D-Printed Raman Spectroscopy.
  • Marcellus Pereira has added a new log for XRX - eXperimental Research X.
  • Massaki Archambault liked Mechatronic Ears on the Micro:bit.
  • Massaki Archambault liked Animatronic Eevee Tail.
  • Massaki Archambault liked Protogen head.
  • Massaki Archambault liked Mechatronic Ears.
  • Keith liked Chaos Computer.
  • Keith liked DIY Green Laser Night Sky Object Finder.
Logo
  • Home
  • Blog
  • Hackaday.io
  • Video
  • Submit A Tip
  • About
  • Contact Us

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe to Newsletter

Copyright © 2026 | Hackaday, Hack A Day, and the Skull and Wrenches Logo are Trademarks of Hackaday.com | Privacy Policy | Terms of Service | Digital Services Act | Do not sell or share my personal informationCookie Management
Powered by WordPress VIP

Loading Comments...